<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<?php
$s = "1234567890"; // 10 numbers from 1 to 0
$pos = strpos($s, "a");
if ($pos == null) {
  print "-------";
} else {
  print $pos;
}
echo '+++++++++++<br />';
$i = 8;;
$buf = sprintf('%d %d %d', $i, $i, $i);
echo "------" . $buf . "-------";
$s .= $buf;

echo $s;
echo '++++++<br />';
$ips = split(", ", '127.0.0.1, 127.0.0.2');
print_r($ips);

?>
